672421000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 1647360000

約数和(自身を除く): 974939000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 109, 124, 125, 155, 199, 200, 218, 248, 250, 310, 398, 436, 500, 545, 620, 775, 796, 872, 995, 1000, 1090, 1240, 1550, 1592, 1990, 2180, 2725, 3100, 3379, 3875, 3980, 4360, 4975, 5450, 6169, 6200, 6758, 7750, 7960, 9950, 10900, 12338, 13516, 13625, 15500, 16895, 19900, 21691, 21800, 24676, 24875, 27032, 27250, 30845, 31000, 33790, 39800, 43382, 49352, 49750, 54500, 61690, 67580, 84475, 86764, 99500, 108455, 109000, 123380, 135160, 154225, 168950, 173528, 199000, 216910, 246760, 308450, 337900, 422375, 433820, 542275, 616900, 672421, 675800, 771125, 844750, 867640, 1084550, 1233800, 1344842, 1542250, 1689500, 2169100, 2689684, 2711375, 3084500, 3362105, 3379000, 4338200, 5379368, 5422750, 6169000, 6724210, 10845500, 13448420, 16810525, 21691000, 26896840, 33621050, 67242100, 84052625, 134484200, 168105250, 336210500, 672421000]

約数ペア:

[(1, 672421000), (2, 336210500), (4, 168105250), (5, 134484200), (8, 84052625), (10, 67242100), (20, 33621050), (25, 26896840), (31, 21691000), (40, 16810525), (50, 13448420), (62, 10845500), (100, 6724210), (109, 6169000), (124, 5422750), (125, 5379368), (155, 4338200), (199, 3379000), (200, 3362105), (218, 3084500), (248, 2711375), (250, 2689684), (310, 2169100), (398, 1689500), (436, 1542250), (500, 1344842), (545, 1233800), (620, 1084550), (775, 867640), (796, 844750), (872, 771125), (995, 675800), (1000, 672421), (1090, 616900), (1240, 542275), (1550, 433820), (1592, 422375), (1990, 337900), (2180, 308450), (2725, 246760), (3100, 216910), (3379, 199000), (3875, 173528), (3980, 168950), (4360, 154225), (4975, 135160), (5450, 123380), (6169, 109000), (6200, 108455), (6758, 99500), (7750, 86764), (7960, 84475), (9950, 67580), (10900, 61690), (12338, 54500), (13516, 49750), (13625, 49352), (15500, 43382), (16895, 39800), (19900, 33790), (21691, 31000), (21800, 30845), (24676, 27250), (24875, 27032)]